Cod sursa(job #2501481)

Utilizator Mircea_DonciuDonciu Mircea Mircea_Donciu Data 29 noiembrie 2019 19:36:43
Problema Curcubeu Scor 50
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.41 kb
#include <iostream>
#include <fstream>

using namespace std;
ifstream f ("curcubeu.in");
ofstream g ("curcubeu.out");
long long a[1000100], b[1000100], c[1000100],v[1000100],t[1000100], n,h[1000100],poz[1000100];
int calc(int x)
{
    int y=x, z=x;
    while(t[y]) y=t[y];
    while(0!=t[x])
    {
        z=x;
        x=t[x];
        t[z]=y;
    }
    return y;
}
void join(int x, int y)
{
    x=calc(x);
    y=calc(y);
    if(x==y) return ;
    if(h[x]<h[y])
    {
        t[x]=y;
        poz[y]=max(poz[y],poz[x]);
    }
    else if(h[x]>h[y])
    {
        t[y]=x;
        poz[x]=max(poz[y],poz[x]);
    }
    else
    {
        t[x]=y;
        h[y]++;
        poz[y]=max(poz[y],poz[x]);
    }
}
int main()
{
    f>>n>>a[1]>>b[1]>>c[1];

    if(a[1]>b[1]) swap(a[1], b[1]);
    h[1]=1;
    poz[1]=1;
    for(int i=2;i<n;++i)
    {
        a[i]=(a[i-1]%n*i%n)%n;
        b[i]=(b[i-1]%n*i%n)%n;
        c[i]=(c[i-1]%n*i%n)%n;
        h[i]=1;
        poz[i]=i;
        if(a[i]>b[i])
            swap(a[i], b[i]);
    }
    poz[n]=n;
    long long aux,j;
    for(int i=n-1;i>0;--i)
    {
        j=calc(a[i]);
        j=poz[j];
        while(j<=b[i])
        {
            if(v[j]==0)
                v[j]=c[i];
            join(j, b[i]);
            j=calc(++j);
            j=poz[j];
        }
    }
    for(int i=1;i<n;++i)
        g<<v[i]<<"\n";
    return 0;
}